The Light Weight Mineral Fiber Ceiling System is recommended to be used in general office areas, public buildings, educational institutions, gymnasia, retail outlets, etc. Minwool Rock Fibres Limited offers Light Weight Mineral Fiber Ceiling System. Minwool Rock Fibres Limited manufactures Rock Wool or for Thermal Insulation [Hot and Cold] and Acoustic Insulation, and Mineral Fibre Ceiling Tiles. The Light Weight Mineral Fiber Ceiling System of model name Insula Speckle comes in 13, 15 & 19mm thicknesses and in Square, Standard Tegular and Fine Tegular edges in size of 595X595mm of 595X1195mm.